Dynamic vs Static Programming Languages

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Questions and Answers

Which type of programming language allows you to change the value type of a variable dynamically?

  • Dynamic (correct)
  • Static
  • Neither static nor dynamic
  • Both static and dynamic

Which type of programming language requires you to define the value type of a variable when it is created?

  • Dynamic
  • Both static and dynamic
  • Neither static nor dynamic
  • Static (correct)

Which type of programming language provides compile-time checks to ensure that the assigned value type is compatible with the variable's type?

  • Both static and dynamic
  • Dynamic
  • Static (correct)
  • Neither static nor dynamic

Which type of programming language is more suitable for beginners due to its dynamic typing?

<p>Dynamic (A)</p> Signup and view all the answers

Which type of programming language is more predictable when accessing variables, as the type is known?

<p>Static (A)</p> Signup and view all the answers

Which type of programming language allows for faster running and compiling due to its static typing?

<p>Static (B)</p> Signup and view all the answers

Which type of programming language can change the value type of a variable dynamically during runtime?

<p>Dynamic (B)</p> Signup and view all the answers

Which of the following is an advantage of using statically typed languages like TypeScript?

<p>They are faster and more memory efficient (C)</p> Signup and view all the answers

Which of the following is a disadvantage of using dynamically typed languages like JavaScript?

<p>They are slower and less memory efficient (C)</p> Signup and view all the answers

When is it recommended to use dynamically typed languages like JavaScript?

<p>For small-scale applications and beginners (A)</p> Signup and view all the answers

Which of the following is a benefit of using statically typed languages for large-scale applications?

<p>They have better checks and balances for object interfaces (D)</p> Signup and view all the answers

What is the main difference between static and dynamic typing?

<p>Dynamic typing allows for variable typing at runtime (D)</p> Signup and view all the answers

Why are statically typed languages like TypeScript recommended for large-scale applications?

<p>They have better checks and balances for object interfaces (D)</p> Signup and view all the answers

What is the impact of dynamically changing variable types in dynamically typed languages?

<p>It slows down performance and memory efficiency (C)</p> Signup and view all the answers

Why are statically typed languages like TypeScript faster and more memory efficient?

<p>They do not require re-wrapping and re-changing variable types (D)</p> Signup and view all the answers

Flashcards

Dynamic Typing

A programming language feature that allows the value type of a variable to change dynamically during runtime.

Static Typing

A programming language feature that requires defining the value type of a variable when it is created.

Dynamic Typing Benefits

Suitable for beginners, easier to write quickly, and good for small applications.

Static Typing Benefits

More predictable, faster performance, better code maintenance, especially good for large applications.

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Static Typing Drawbacks

Slower initial development, more verbosity in code.

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Dynamic Typing Drawbacks

Can lead to runtime errors, less memory efficient, harder to maintain large codebases.

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Compile-time checks

Checks if the variable type is compatible with the assigned value in static languages.

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Variable Type

The type of data a variable can hold (e.g., number, string).

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Dynamic Typing Example

Languages like JavaScript where variable types change during runtime.

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Static Typing Example

Languages like TypeScript where variable types are fixed at compile-time.

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Recommended for large apps

Statically typed languages offer better validation and maintainability in complex projects.

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Runtime Errors

Errors that occur when a program is executing, often due to mismatched variable types.

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Static Typing vs. Dynamic Typing

Static typing defines variable types at compile time; dynamic typing defines variable types at runtime.

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Memory Efficiency

How effectively a program uses computer memory. Static typically is more efficient.

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Speed

The program's speed depends on the programming language, whether static or dynamic.

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Large Program Maintenance

Static typing can lead to easier maintenance of very large projects.

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